| 铁基超导体NdFeAsO0.82F0.18的涡旋晶格融化 |
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| 引用本文： | 彭红亮,王玉莲,聂青苗,陈庆虎. 铁基超导体NdFeAsO0.82F0.18的涡旋晶格融化[J]. 浙江大学学报(理学版), 2010, 37(6): 640-642 |
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| 作者姓名： | 彭红亮 王玉莲 聂青苗 陈庆虎 |
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| 作者单位： | [1]浙江师范大学数理信息学院,浙江金华321004 [2]安徽科技学院理学院,安徽蚌埠233104 [3]浙江工业大学物理系,浙江杭州310023 [4]浙江大学物理系,浙江杭州310027 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 在涡旋弹性理论和Lindemann判据的框架下,基于两个Lindemann系数的假设,研究了当磁场方向与各向异性轴垂直时铁基超导的涡旋晶格的融化相变.同时给出了未考虑和考虑层状钉扎势的情况下系统在两个方向的热涨落,以及相关的涡旋晶格融化线.
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| 关 键 词： | 铁基超导体 涡旋晶格融化 Lindemann判据 |
Vortex-lattice melting in iron-based superconductor NdFeAsO0.82F0.18 |
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| PENG Hong-liang,WANG Yu-lian,NIE Qing-miao,CHEN Qing-hu. Vortex-lattice melting in iron-based superconductor NdFeAsO0.82F0.18[J]. Journal of Zhejiang University(Sciences Edition), 2010, 37(6): 640-642 |
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| Authors: | PENG Hong-liang WANG Yu-lian NIE Qing-miao CHEN Qing-hu |
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| Affiliation: | 1.College of Mathematics,Physics and Information Science,Zhejiang Normal University,Jinhua 321004,Zhejiang Province,China;2.Science College,Anhui Science and Technology University,Bengbu 233104,Anhui Province,China;3.Department of Physics,Zhejiang University of Technology,Hangzhou 310023,China;4.Department of Physics,Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | In the framework of the vortex elastic theory and Lindemann criteria.The vortex lattice melting is studied when magnetic fields are both parallel and perpendicular to the anisotropy axis is studied based on the proposal of two Lindemann numbers.The thermal fluctuations in these two cases and the relevant vortex-lattice melting curves with and without intrinsic layer pinning is given. |
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| Keywords: | iron-based superconductors vortex-lattice melting Lindemann criteria |
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